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Flashcards in Numbers Deck (43):
1

Av- node - slowest conducting velocity?

0.05m/s

2

Fastest conducting velocity - purkinje fibres?

4m/s

3

Av nodal delay

92ms( 0.09s)

4

RMP of cardiac myocyte?

-90mV

5

Threshold for cardiac myocyte

-75mV

6

Pace maker- RMP?

-55-60mV(55mV)

7

Threshold for pacemaker?

-45mV

8

Intrinsic discharge of SA node?

100/minutes

9

Athletes maximum cardiac output-

6-7 times of basal

10

Normal people maximum cardiac output?

4-5 times of basal

11

Conducting time- internodal fibres?

0.03 s

12

Conducting time- AV node?

0.09s

13

Conducting time- Bundle of his?

0.03s

14

Conducting time bundle branches?

0.15-0.16s

15

Conducting time- purkinje fibres?

0.21-0.22s

16

% of blood in windkessel vessels?

10

17

% of blood in arterioles?

1%

18

% of blood in capillaries?

4-6%

19

Skeletal muscle blood flow at rest?

3-4ml/min/100g

20

Skeletal muscle blood flow during exercise?

80-90ml/min/100g

21

% of blood in capacitance vessels?

60%

22

Raynolds number for turbulent flow?

>3000

23

Raynolds number for laminar flow?

<2000

24

Cardiac cycle time?

0.8sec

25

Atrial systole time?

0.1s

26

Atrial diastole time?

O.7s

27

Ventricular systole time?

0.3 s

28

Ventricular diastole time?

0.5sec

29

Diastolic atrial pressure?

0-3mmHg

30

Systolic left atrial pressure?

6-8mmHg

31

Systolic right atrial pressure?

4-6mmHg

32

LV systolic pressure?

120mmHg

33

LV diastolic pressure?

0-5mmHg

34

RV systolic pressure?

25mmHg

35

RV diastolic pressure?

0mmHg

36

Pulmonary systolic pressure?

25mmHg

37

Pulmonary diastolic pressure?

9mmHg

38

Pulmonary MAP?

15mmHg

39

Systemic MAP?

100mmHg

40

End diastolic volume?

120ml

41

End systolic volume?

50ml

42

Cardiac index?

3.2L /min/m2 bsa

43

If venous tone increases, psf increases to ?

17mmHg